Decoy anchor



FIG. 1 is a front view of my design for a decoy anchor;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a rear view thereof. 

CLAIM The ornamental design for the decoy anchor, as shown and described. 